snowmunky Posted February 20, 2008 Report Share Posted February 20, 2008 Just curious to see if this drivetrain (mainly the transmission/diffs... not so much the LQ9 motor) holds up to high mileage as well as some of the "standard" drivetrains (4.8L, 5.3L with the 4-speed automatic). Some of you may have seen my post in regards to buying an '03 SSS that has 90K miles...and it seems no one here has high mileage on their SSS'... Post up your mileage and what MAJOR repairs you've had to do... (regular maintenance doesn't really count... that's always a must...) I've looked at two different '03 SSS, and both had 90K miles and drove absolutely flawless.... Quote Link to comment Share on other sites More sharing options...
keebler85 Posted February 20, 2008 Report Share Posted February 20, 2008 I have a 03 with 56k and the only thing that I have done is change the oil sending unit, which was easy once I found it. Quote Link to comment Share on other sites More sharing options...
gmc55 Posted February 20, 2008 Report Share Posted February 20, 2008 04 5.3 with 100'2xx and never had to do anything but regular maintenance. Never had any problems out of the transmission at all. Quote Link to comment Share on other sites More sharing options...
eddieo818 Posted February 20, 2008 Report Share Posted February 20, 2008 05 single cab 5.3 with 30,000 miles Quote Link to comment Share on other sites More sharing options...
56chevywagon Posted February 20, 2008 Report Share Posted February 20, 2008 I have an '03 SSS with 71,xxx... Quote Link to comment Share on other sites More sharing options...
BlackSS04 Posted February 20, 2008 Report Share Posted February 20, 2008 04 with 66K here and only problem was the cluster craped on me. runs perfect. Quote Link to comment Share on other sites More sharing options...
Hankg42 Posted February 20, 2008 Report Share Posted February 20, 2008 (edited) There are some guys on the site with over 100K on an LQ9. I have seen posts that say they are still running strong. It's all a matter of proper maintenance. Hopefully, the trucks you're looking at have been properly maintained, then you should be OK. There have been lots of posts on front diff issues, and I would bet most of them are NOT related to mileage. Probably the same thing can be said for the trans. Edited February 20, 2008 by Hankg42 (see edit history) Quote Link to comment Share on other sites More sharing options...
mcwarren Posted February 20, 2008 Report Share Posted February 20, 2008 (edited) I have just over 101,000 miles on my '03 SS and the last 70,000 miles have been since I installed my Radix. Modifications are listed in my signature were performed by myself. I have had exactly zero drivetrain failures or repairs during this time. The only issues I have had with my SS were the steering intermediate shaft klunk and a w/s wiper module failure whereby the wipers would not shut off. I love this truck! Edited February 20, 2008 by mcwarren (see edit history) Quote Link to comment Share on other sites More sharing options...
ThePDB Posted February 20, 2008 Report Share Posted February 20, 2008 I really gotta stop driving my truck so much... I have an 03 SS with 38,5xx miles. Only problems so far: steering shaft (like 2 times already) Gauge cluster Within the last couple weeks the heated seats don't seem to wanna work. (from what I've read on here it's some 400.00 part) I'll tough it out the rest of the winter and think about fixing it next fall. Truck actually went out of warranty due to time, not mileage... I didn't pay attention, and like a dummy I missed the chance to put on an extended GM warranty. Quote Link to comment Share on other sites More sharing options...
CoolBlueSS Posted February 20, 2008 Report Share Posted February 20, 2008 2003 SS with 75K. Same typical stuff that most full size trucks/SUVs have that are covered under warranty. Front and rear diffs were done at 31K, steering shaft at 60K cluster at 68K. It's been a great truck. (knock on wood) Quote Link to comment Share on other sites More sharing options...
SS Silv Posted February 21, 2008 Report Share Posted February 21, 2008 03 SS, 101,900 miles. No major problems. Thanks for jinxing me, haha. Quote Link to comment Share on other sites More sharing options...
bobwrench Posted February 21, 2008 Report Share Posted February 21, 2008 Just bought mine last Friday with 120,000+ mostly teenage driver miles! Know nothing of past maintenance or if it's ever had any major parts replacement. Need gauge replacement, all other systems work excellent, engine still strong,tranny shifts well. Will drive as a daily driver and expect to bust 200,00K without anything major. Have driven '95 S10 Blazer from 170k to 230K over the past 4 years. Drove a '78 F150 4X4 for 17 years prior to that (that I gave $750. for at a salvage yard). GAS 'EM, SERVICE 'EM, GO!! Bob Quote Link to comment Share on other sites More sharing options...
chevydeth Posted February 21, 2008 Report Share Posted February 21, 2008 99 sierra with 85k miles. cats clogged, replaced (under factory warranty) thats all... Quote Link to comment Share on other sites More sharing options...
Jaymz Posted February 21, 2008 Report Share Posted February 21, 2008 GAS 'EM, SERVICE 'EM, GO!! Bob i like this guy 03 ss 63,XXX miles no issues ( drive it hard ) 03 5.3 120,000 miles no issues ( pulled a 6,300lb boat for atleast 10,XXX ) Quote Link to comment Share on other sites More sharing options...
LSR Mike Posted February 21, 2008 Report Share Posted February 21, 2008 '03 SSS, 98,200 lots of long haul tows, regular maint. looks like the trucks really hold up well. It was a good buy! Quote Link to comment Share on other sites More sharing options...
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